Earphone



FIG. 1 is a front perspective view of an earphone showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines illustrating the unclaimed portions of the earphone form no part of the claimed design. 

CLAIM The ornamental design for an earphone, as shown and described. 